package io;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

public class CopyMusic {
    public static void main(String[] args) throws IOException {
        FileInputStream fis = new FileInputStream("./xu.mp3");
        FileOutputStream fos = new FileOutputStream("./xu_c.mp3");
        int d;
        long start = System.currentTimeMillis();
        while ((d = fis.read()) != -1) {
            fos.write(d);
        }
        long end = System.currentTimeMillis();
        System.out.println("复制完成,耗时" + (end - start) + "ms");
    }
}
